Part A Premium and Late Increase
Medicare Part A premium from quarters of covered work.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Quarters of Medicare-covered work, own or spouse
- 34
- Months late for premium Part A
- 30
- Premium year
- 2026
Result: Part A premium $342.10 a month in 2026: the reduced premium for 34 quarters of coverage (30 to 39), plus a 10% late increase for 4 years.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Quarters of Medicare-covered work, own or spouse
- Months late for premium Part A
- Premium year (blank for this year)
How this is calculated
Citation
42 CFR 406.32(d): the premium Part A increase is 10 percent, payable for twice the number of full 12-month periods late. 2026: $311 a month with 30-39 quarters, $565 with fewer than 30, none with 40 or more (CMS fact sheet). Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.